Pass driver struct pointer to driver callbacks.

[libsigrok.git] / src / hardware / victor-dmm / api.c

diff --git a/src/hardware/victor-dmm/api.c b/src/hardware/victor-dmm/api.c
index de7e94b2fac8f3acef8f6d1bf35d657779a6ddb6..85874b12c53f213644e1293e81b44cb84b95f590 100644 (file)
--- a/src/hardware/victor-dmm/api.c
+++ b/src/hardware/victor-dmm/api.c
@@ -32,7 +32,6 @@
 #define VICTOR_ENDPOINT LIBUSB_ENDPOINT_IN | 1
 
 SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
-static struct sr_dev_driver *di = &victor_dmm_driver_info;
 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
 
 static const uint32_t drvopts[] = {
@@ -49,17 +48,16 @@ static const uint32_t devopts[] = {
        SR_CONF_CONN | SR_CONF_GET,
 };
 
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
        return std_init(sr_ctx, di, LOG_PREFIX);
 }
 
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
        struct drv_context *drvc;
        struct dev_context *devc;
        struct sr_dev_inst *sdi;
-       struct sr_channel *ch;
        struct libusb_device_descriptor des;
        libusb_device **devlist;
        GSList *devices;
@@ -92,12 +90,10 @@ static GSList *scan(GSList *options)
                devc = g_malloc0(sizeof(struct dev_context));
                sdi->priv = devc;
 
-               ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
-               sdi->channels = g_slist_append(NULL, ch);
+               sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
 
-               if (!(sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
-                               libusb_get_device_address(devlist[i]), NULL)))
-                       return NULL;
+               sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
+                               libusb_get_device_address(devlist[i]), NULL);
                sdi->inst_type = SR_INST_USB;
 
                drvc->instances = g_slist_append(drvc->instances, sdi);
@@ -108,13 +104,14 @@ static GSList *scan(GSList *options)
        return devices;
 }
 
-static GSList *dev_list(void)
+static GSList *dev_list(const struct sr_dev_driver *di)
 {
        return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct drv_context *drvc = di->priv;
        struct sr_usb_dev_inst *usb;
        libusb_device **devlist;
@@ -167,6 +164,7 @@ static int dev_open(struct sr_dev_inst *sdi)
 
 static int dev_close(struct sr_dev_inst *sdi)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct sr_usb_dev_inst *usb;
 
        if (!di->priv) {
@@ -188,7 +186,7 @@ static int dev_close(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
 {
        int ret;
        struct drv_context *drvc;
@@ -200,7 +198,6 @@ static int cleanup(void)
 
        ret = std_dev_clear(di, NULL);
        g_free(drvc);
-       di->priv = NULL;
 
        return ret;
 }
@@ -231,6 +228,7 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct dev_context *devc;
        gint64 now;
        int ret;
@@ -337,9 +335,10 @@ static void receive_transfer(struct libusb_transfer *transfer)
 static int handle_events(int fd, int revents, void *cb_data)
 {
        struct dev_context *devc;
-       struct drv_context *drvc = di->priv;
+       struct drv_context *drvc;
        struct sr_datafeed_packet packet;
        struct sr_dev_inst *sdi;
+       struct sr_dev_driver *di;
        struct timeval tv;
        gint64 now;
 
@@ -348,6 +347,8 @@ static int handle_events(int fd, int revents, void *cb_data)
 
        sdi = cb_data;
        devc = sdi->priv;
+       di = sdi->driver;
+       drvc = di->priv;
 
        if (devc->limit_msec) {
                now = g_get_monotonic_time() / 1000;
@@ -373,6 +374,7 @@ static int handle_events(int fd, int revents, void *cb_data)
 
 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 {
+       struct sr_dev_driver *di = sdi->driver;
        struct dev_context *devc;
        struct drv_context *drvc = di->priv;
        struct sr_usb_dev_inst *usb;
@@ -419,6 +421,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
+       struct sr_dev_driver *di = sdi->driver;
        (void)cb_data;
 
        if (!di->priv) {